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Support recovery of XA transactions

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* Add method `restore_prepared_transaction` to `client_state` class
  which restores a transaction state from storage given its xid.
* Add method `commit_or_rollback_by_xid` to terminate prepared XA
  transactions by xid.
* Make sure that transactions in prepared state are not rolled back
  when their master fails/partitions away.
This commit is contained in:
Daniele Sciascia
2019-03-14 11:30:01 +01:00
parent 98af85498b
commit 052247144f
16 changed files with 210 additions and 31 deletions
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10
include/wsrep/server_state.hpp
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@ -256,12 +256,20 @@ namespace wsrep
void stop_streaming_applier(
const wsrep::id&, const wsrep::transaction_id&);
/**
* Return reference to streaming applier.
* Find a streaming applier matching server and transaction ids
*/
wsrep::high_priority_service* find_streaming_applier(
const wsrep::id&,
const wsrep::transaction_id&) const;
/**
* Find a streaming applier matching xid
*/
wsrep::high_priority_service* find_streaming_applier(
const std::string& xid) const;
/**
* Load WSRep provider.
*